Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb6 win in 1 half-moves
3 Kb3 draw
4 Ra2 draw
5 Rb7 draw
6 Rb8 draw
7 Rc2 draw
8 Rd2 draw
9 Re2 draw
10 Rf2 draw
11 Rg2 draw
12 Rh2 draw
13 Ka2 loss in 2 half-moves
14 Ka4 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves